Cos^2(3x)-1=0

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Solution for Cos^2(3x)-1=0 equation:


Simplifying
Cos2(3x) + -1 = 0

Remove parenthesis around (3x)
os2C * 3x + -1 = 0

Reorder the terms for easier multiplication:
3os2C * x + -1 = 0

Multiply os2C * x
3os2xC + -1 = 0

Reorder the terms:
-1 + 3os2xC = 0

Solving
-1 + 3os2xC = 0

Solving for variable 'o'.

Move all terms containing o to the left, all other terms to the right.

Add '1' to each side of the equation.
-1 + 1 + 3os2xC = 0 + 1

Combine like terms: -1 + 1 = 0
0 + 3os2xC = 0 + 1
3os2xC = 0 + 1

Combine like terms: 0 + 1 = 1
3os2xC = 1

Divide each side by '3s2xC'.
o = 0.3333333333s-2x-1C-1

Simplifying
o = 0.3333333333s-2x-1C-1

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